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Finding the Fourth Proportional to 283,858.50, 425,305.73 and 171,302.18

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Solution

The fourth proportional to 283,858.50, 425,305.73 and 171,302.18 is: 256,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,858.50 : 425,305.73 = 171,302.18 : x
  2. Step 2: Convert to fraction form
    283,858.50/425,305.73 = 171,302.18/x
  3. Step 3: Cross multiply
    283,858.50x = 425,305.73 × 171,302.18
  4. Step 4: Simplify right side
    283,858.50x = 72,855,796,795.72
  5. Step 5: Solve for x
    x = 72,855,796,795.72/283,858.50
  6. Step 6: Final answer
    x = 256,662.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.